diff --git a/libavcodec/qdm2.c b/libavcodec/qdm2.c index 108c327d53..5482e9b6aa 100644 --- a/libavcodec/qdm2.c +++ b/libavcodec/qdm2.c @@ -1883,6 +1883,10 @@ static av_cold int qdm2_decode_init(AVCodecContext *avctx) av_log(avctx, AV_LOG_ERROR, "Unknown FFT order (%d), contact the developers!\n", s->fft_order); return -1; } + if (s->fft_size != (1 << (s->fft_order - 1))) { + av_log(avctx, AV_LOG_ERROR, "FFT size %d not power of 2.\n", s->fft_size); + return AVERROR_INVALIDDATA; + } ff_rdft_init(&s->rdft_ctx, s->fft_order, IDFT_C2R); ff_mpadsp_init(&s->mpadsp); diff --git a/libavcodec/rv10.c b/libavcodec/rv10.c index b5772b24ed..be2c2b10ed 100644 --- a/libavcodec/rv10.c +++ b/libavcodec/rv10.c @@ -45,148 +45,144 @@ typedef struct RVDecContext { int sub_id; } RVDecContext; -static const uint16_t rv_lum_code[256] = -{ - 0x3e7f, 0x0f00, 0x0f01, 0x0f02, 0x0f03, 0x0f04, 0x0f05, 0x0f06, - 0x0f07, 0x0f08, 0x0f09, 0x0f0a, 0x0f0b, 0x0f0c, 0x0f0d, 0x0f0e, - 0x0f0f, 0x0f10, 0x0f11, 0x0f12, 0x0f13, 0x0f14, 0x0f15, 0x0f16, - 0x0f17, 0x0f18, 0x0f19, 0x0f1a, 0x0f1b, 0x0f1c, 0x0f1d, 0x0f1e, - 0x0f1f, 0x0f20, 0x0f21, 0x0f22, 0x0f23, 0x0f24, 0x0f25, 0x0f26, - 0x0f27, 0x0f28, 0x0f29, 0x0f2a, 0x0f2b, 0x0f2c, 0x0f2d, 0x0f2e, - 0x0f2f, 0x0f30, 0x0f31, 0x0f32, 0x0f33, 0x0f34, 0x0f35, 0x0f36, - 0x0f37, 0x0f38, 0x0f39, 0x0f3a, 0x0f3b, 0x0f3c, 0x0f3d, 0x0f3e, - 0x0f3f, 0x0380, 0x0381, 0x0382, 0x0383, 0x0384, 0x0385, 0x0386, - 0x0387, 0x0388, 0x0389, 0x038a, 0x038b, 0x038c, 0x038d, 0x038e, - 0x038f, 0x0390, 0x0391, 0x0392, 0x0393, 0x0394, 0x0395, 0x0396, - 0x0397, 0x0398, 0x0399, 0x039a, 0x039b, 0x039c, 0x039d, 0x039e, - 0x039f, 0x00c0, 0x00c1, 0x00c2, 0x00c3, 0x00c4, 0x00c5, 0x00c6, - 0x00c7, 0x00c8, 0x00c9, 0x00ca, 0x00cb, 0x00cc, 0x00cd, 0x00ce, - 0x00cf, 0x0050, 0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, - 0x0057, 0x0020, 0x0021, 0x0022, 0x0023, 0x000c, 0x000d, 0x0004, - 0x0000, 0x0005, 0x000e, 0x000f, 0x0024, 0x0025, 0x0026, 0x0027, - 0x0058, 0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f, - 0x00d0, 0x00d1, 0x00d2, 0x00d3, 0x00d4, 0x00d5, 0x00d6, 0x00d7, - 0x00d8, 0x00d9, 0x00da, 0x00db, 0x00dc, 0x00dd, 0x00de, 0x00df, - 0x03a0, 0x03a1, 0x03a2, 0x03a3, 0x03a4, 0x03a5, 0x03a6, 0x03a7, - 0x03a8, 0x03a9, 0x03aa, 0x03ab, 0x03ac, 0x03ad, 0x03ae, 0x03af, - 0x03b0, 0x03b1, 0x03b2, 0x03b3, 0x03b4, 0x03b5, 0x03b6, 0x03b7, - 0x03b8, 0x03b9, 0x03ba, 0x03bb, 0x03bc, 0x03bd, 0x03be, 0x03bf, - 0x0f40, 0x0f41, 0x0f42, 0x0f43, 0x0f44, 0x0f45, 0x0f46, 0x0f47, - 0x0f48, 0x0f49, 0x0f4a, 0x0f4b, 0x0f4c, 0x0f4d, 0x0f4e, 0x0f4f, - 0x0f50, 0x0f51, 0x0f52, 0x0f53, 0x0f54, 0x0f55, 0x0f56, 0x0f57, - 0x0f58, 0x0f59, 0x0f5a, 0x0f5b, 0x0f5c, 0x0f5d, 0x0f5e, 0x0f5f, - 0x0f60, 0x0f61, 0x0f62, 0x0f63, 0x0f64, 0x0f65, 0x0f66, 0x0f67, - 0x0f68, 0x0f69, 0x0f6a, 0x0f6b, 0x0f6c, 0x0f6d, 0x0f6e, 0x0f6f, - 0x0f70, 0x0f71, 0x0f72, 0x0f73, 0x0f74, 0x0f75, 0x0f76, 0x0f77, - 0x0f78, 0x0f79, 0x0f7a, 0x0f7b, 0x0f7c, 0x0f7d, 0x0f7e, 0x0f7f, +static const uint16_t rv_lum_code[256] = { + 0x3e7f, 0x0f00, 0x0f01, 0x0f02, 0x0f03, 0x0f04, 0x0f05, 0x0f06, + 0x0f07, 0x0f08, 0x0f09, 0x0f0a, 0x0f0b, 0x0f0c, 0x0f0d, 0x0f0e, + 0x0f0f, 0x0f10, 0x0f11, 0x0f12, 0x0f13, 0x0f14, 0x0f15, 0x0f16, + 0x0f17, 0x0f18, 0x0f19, 0x0f1a, 0x0f1b, 0x0f1c, 0x0f1d, 0x0f1e, + 0x0f1f, 0x0f20, 0x0f21, 0x0f22, 0x0f23, 0x0f24, 0x0f25, 0x0f26, + 0x0f27, 0x0f28, 0x0f29, 0x0f2a, 0x0f2b, 0x0f2c, 0x0f2d, 0x0f2e, + 0x0f2f, 0x0f30, 0x0f31, 0x0f32, 0x0f33, 0x0f34, 0x0f35, 0x0f36, + 0x0f37, 0x0f38, 0x0f39, 0x0f3a, 0x0f3b, 0x0f3c, 0x0f3d, 0x0f3e, + 0x0f3f, 0x0380, 0x0381, 0x0382, 0x0383, 0x0384, 0x0385, 0x0386, + 0x0387, 0x0388, 0x0389, 0x038a, 0x038b, 0x038c, 0x038d, 0x038e, + 0x038f, 0x0390, 0x0391, 0x0392, 0x0393, 0x0394, 0x0395, 0x0396, + 0x0397, 0x0398, 0x0399, 0x039a, 0x039b, 0x039c, 0x039d, 0x039e, + 0x039f, 0x00c0, 0x00c1, 0x00c2, 0x00c3, 0x00c4, 0x00c5, 0x00c6, + 0x00c7, 0x00c8, 0x00c9, 0x00ca, 0x00cb, 0x00cc, 0x00cd, 0x00ce, + 0x00cf, 0x0050, 0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, + 0x0057, 0x0020, 0x0021, 0x0022, 0x0023, 0x000c, 0x000d, 0x0004, + 0x0000, 0x0005, 0x000e, 0x000f, 0x0024, 0x0025, 0x0026, 0x0027, + 0x0058, 0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f, + 0x00d0, 0x00d1, 0x00d2, 0x00d3, 0x00d4, 0x00d5, 0x00d6, 0x00d7, + 0x00d8, 0x00d9, 0x00da, 0x00db, 0x00dc, 0x00dd, 0x00de, 0x00df, + 0x03a0, 0x03a1, 0x03a2, 0x03a3, 0x03a4, 0x03a5, 0x03a6, 0x03a7, + 0x03a8, 0x03a9, 0x03aa, 0x03ab, 0x03ac, 0x03ad, 0x03ae, 0x03af, + 0x03b0, 0x03b1, 0x03b2, 0x03b3, 0x03b4, 0x03b5, 0x03b6, 0x03b7, + 0x03b8, 0x03b9, 0x03ba, 0x03bb, 0x03bc, 0x03bd, 0x03be, 0x03bf, + 0x0f40, 0x0f41, 0x0f42, 0x0f43, 0x0f44, 0x0f45, 0x0f46, 0x0f47, + 0x0f48, 0x0f49, 0x0f4a, 0x0f4b, 0x0f4c, 0x0f4d, 0x0f4e, 0x0f4f, + 0x0f50, 0x0f51, 0x0f52, 0x0f53, 0x0f54, 0x0f55, 0x0f56, 0x0f57, + 0x0f58, 0x0f59, 0x0f5a, 0x0f5b, 0x0f5c, 0x0f5d, 0x0f5e, 0x0f5f, + 0x0f60, 0x0f61, 0x0f62, 0x0f63, 0x0f64, 0x0f65, 0x0f66, 0x0f67, + 0x0f68, 0x0f69, 0x0f6a, 0x0f6b, 0x0f6c, 0x0f6d, 0x0f6e, 0x0f6f, + 0x0f70, 0x0f71, 0x0f72, 0x0f73, 0x0f74, 0x0f75, 0x0f76, 0x0f77, + 0x0f78, 0x0f79, 0x0f7a, 0x0f7b, 0x0f7c, 0x0f7d, 0x0f7e, 0x0f7f, }; -static const uint8_t rv_lum_bits[256] = -{ - 14, 12, 12, 12, 12, 12, 12, 12, - 12, 12, 12, 12, 12, 12, 12, 12, - 12, 12, 12, 12, 12, 12, 12, 12, - 12, 12, 12, 12, 12, 12, 12, 12, - 12, 12, 12, 12, 12, 12, 12, 12, - 12, 12, 12, 12, 12, 12, 12, 12, - 12, 12, 12, 12, 12, 12, 12, 12, - 12, 12, 12, 12, 12, 12, 12, 12, - 12, 10, 10, 10, 10, 10, 10, 10, - 10, 10, 10, 10, 10, 10, 10, 10, - 10, 10, 10, 10, 10, 10, 10, 10, - 10, 10, 10, 10, 10, 10, 10, 10, - 10, 8, 8, 8, 8, 8, 8, 8, - 8, 8, 8, 8, 8, 8, 8, 8, - 8, 7, 7, 7, 7, 7, 7, 7, - 7, 6, 6, 6, 6, 5, 5, 4, - 2, 4, 5, 5, 6, 6, 6, 6, - 7, 7, 7, 7, 7, 7, 7, 7, - 8, 8, 8, 8, 8, 8, 8, 8, - 8, 8, 8, 8, 8, 8, 8, 8, - 10, 10, 10, 10, 10, 10, 10, 10, - 10, 10, 10, 10, 10, 10, 10, 10, - 10, 10, 10, 10, 10, 10, 10, 10, - 10, 10, 10, 10, 10, 10, 10, 10, - 12, 12, 12, 12, 12, 12, 12, 12, - 12, 12, 12, 12, 12, 12, 12, 12, - 12, 12, 12, 12, 12, 12, 12, 12, - 12, 12, 12, 12, 12, 12, 12, 12, - 12, 12, 12, 12, 12, 12, 12, 12, - 12, 12, 12, 12, 12, 12, 12, 12, - 12, 12, 12, 12, 12, 12, 12, 12, - 12, 12, 12, 12, 12, 12, 12, 12, +static const uint8_t rv_lum_bits[256] = { + 14, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 10, 10, 10, 10, 10, 10, 10, + 10, 10, 10, 10, 10, 10, 10, 10, + 10, 10, 10, 10, 10, 10, 10, 10, + 10, 10, 10, 10, 10, 10, 10, 10, + 10, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 7, 7, 7, 7, 7, 7, 7, + 7, 6, 6, 6, 6, 5, 5, 4, + 2, 4, 5, 5, 6, 6, 6, 6, + 7, 7, 7, 7, 7, 7, 7, 7, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 10, 10, 10, 10, 10, 10, 10, 10, + 10, 10, 10, 10, 10, 10, 10, 10, + 10, 10, 10, 10, 10, 10, 10, 10, + 10, 10, 10, 10, 10, 10, 10, 10, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, }; -static const uint16_t rv_chrom_code[256] = -{ - 0xfe7f, 0x3f00, 0x3f01, 0x3f02, 0x3f03, 0x3f04, 0x3f05, 0x3f06, - 0x3f07, 0x3f08, 0x3f09, 0x3f0a, 0x3f0b, 0x3f0c, 0x3f0d, 0x3f0e, - 0x3f0f, 0x3f10, 0x3f11, 0x3f12, 0x3f13, 0x3f14, 0x3f15, 0x3f16, - 0x3f17, 0x3f18, 0x3f19, 0x3f1a, 0x3f1b, 0x3f1c, 0x3f1d, 0x3f1e, - 0x3f1f, 0x3f20, 0x3f21, 0x3f22, 0x3f23, 0x3f24, 0x3f25, 0x3f26, - 0x3f27, 0x3f28, 0x3f29, 0x3f2a, 0x3f2b, 0x3f2c, 0x3f2d, 0x3f2e, - 0x3f2f, 0x3f30, 0x3f31, 0x3f32, 0x3f33, 0x3f34, 0x3f35, 0x3f36, - 0x3f37, 0x3f38, 0x3f39, 0x3f3a, 0x3f3b, 0x3f3c, 0x3f3d, 0x3f3e, - 0x3f3f, 0x0f80, 0x0f81, 0x0f82, 0x0f83, 0x0f84, 0x0f85, 0x0f86, - 0x0f87, 0x0f88, 0x0f89, 0x0f8a, 0x0f8b, 0x0f8c, 0x0f8d, 0x0f8e, - 0x0f8f, 0x0f90, 0x0f91, 0x0f92, 0x0f93, 0x0f94, 0x0f95, 0x0f96, - 0x0f97, 0x0f98, 0x0f99, 0x0f9a, 0x0f9b, 0x0f9c, 0x0f9d, 0x0f9e, - 0x0f9f, 0x03c0, 0x03c1, 0x03c2, 0x03c3, 0x03c4, 0x03c5, 0x03c6, - 0x03c7, 0x03c8, 0x03c9, 0x03ca, 0x03cb, 0x03cc, 0x03cd, 0x03ce, - 0x03cf, 0x00e0, 0x00e1, 0x00e2, 0x00e3, 0x00e4, 0x00e5, 0x00e6, - 0x00e7, 0x0030, 0x0031, 0x0032, 0x0033, 0x0008, 0x0009, 0x0002, - 0x0000, 0x0003, 0x000a, 0x000b, 0x0034, 0x0035, 0x0036, 0x0037, - 0x00e8, 0x00e9, 0x00ea, 0x00eb, 0x00ec, 0x00ed, 0x00ee, 0x00ef, - 0x03d0, 0x03d1, 0x03d2, 0x03d3, 0x03d4, 0x03d5, 0x03d6, 0x03d7, - 0x03d8, 0x03d9, 0x03da, 0x03db, 0x03dc, 0x03dd, 0x03de, 0x03df, - 0x0fa0, 0x0fa1, 0x0fa2, 0x0fa3, 0x0fa4, 0x0fa5, 0x0fa6, 0x0fa7, - 0x0fa8, 0x0fa9, 0x0faa, 0x0fab, 0x0fac, 0x0fad, 0x0fae, 0x0faf, - 0x0fb0, 0x0fb1, 0x0fb2, 0x0fb3, 0x0fb4, 0x0fb5, 0x0fb6, 0x0fb7, - 0x0fb8, 0x0fb9, 0x0fba, 0x0fbb, 0x0fbc, 0x0fbd, 0x0fbe, 0x0fbf, - 0x3f40, 0x3f41, 0x3f42, 0x3f43, 0x3f44, 0x3f45, 0x3f46, 0x3f47, - 0x3f48, 0x3f49, 0x3f4a, 0x3f4b, 0x3f4c, 0x3f4d, 0x3f4e, 0x3f4f, - 0x3f50, 0x3f51, 0x3f52, 0x3f53, 0x3f54, 0x3f55, 0x3f56, 0x3f57, - 0x3f58, 0x3f59, 0x3f5a, 0x3f5b, 0x3f5c, 0x3f5d, 0x3f5e, 0x3f5f, - 0x3f60, 0x3f61, 0x3f62, 0x3f63, 0x3f64, 0x3f65, 0x3f66, 0x3f67, - 0x3f68, 0x3f69, 0x3f6a, 0x3f6b, 0x3f6c, 0x3f6d, 0x3f6e, 0x3f6f, - 0x3f70, 0x3f71, 0x3f72, 0x3f73, 0x3f74, 0x3f75, 0x3f76, 0x3f77, - 0x3f78, 0x3f79, 0x3f7a, 0x3f7b, 0x3f7c, 0x3f7d, 0x3f7e, 0x3f7f, +static const uint16_t rv_chrom_code[256] = { + 0xfe7f, 0x3f00, 0x3f01, 0x3f02, 0x3f03, 0x3f04, 0x3f05, 0x3f06, + 0x3f07, 0x3f08, 0x3f09, 0x3f0a, 0x3f0b, 0x3f0c, 0x3f0d, 0x3f0e, + 0x3f0f, 0x3f10, 0x3f11, 0x3f12, 0x3f13, 0x3f14, 0x3f15, 0x3f16, + 0x3f17, 0x3f18, 0x3f19, 0x3f1a, 0x3f1b, 0x3f1c, 0x3f1d, 0x3f1e, + 0x3f1f, 0x3f20, 0x3f21, 0x3f22, 0x3f23, 0x3f24, 0x3f25, 0x3f26, + 0x3f27, 0x3f28, 0x3f29, 0x3f2a, 0x3f2b, 0x3f2c, 0x3f2d, 0x3f2e, + 0x3f2f, 0x3f30, 0x3f31, 0x3f32, 0x3f33, 0x3f34, 0x3f35, 0x3f36, + 0x3f37, 0x3f38, 0x3f39, 0x3f3a, 0x3f3b, 0x3f3c, 0x3f3d, 0x3f3e, + 0x3f3f, 0x0f80, 0x0f81, 0x0f82, 0x0f83, 0x0f84, 0x0f85, 0x0f86, + 0x0f87, 0x0f88, 0x0f89, 0x0f8a, 0x0f8b, 0x0f8c, 0x0f8d, 0x0f8e, + 0x0f8f, 0x0f90, 0x0f91, 0x0f92, 0x0f93, 0x0f94, 0x0f95, 0x0f96, + 0x0f97, 0x0f98, 0x0f99, 0x0f9a, 0x0f9b, 0x0f9c, 0x0f9d, 0x0f9e, + 0x0f9f, 0x03c0, 0x03c1, 0x03c2, 0x03c3, 0x03c4, 0x03c5, 0x03c6, + 0x03c7, 0x03c8, 0x03c9, 0x03ca, 0x03cb, 0x03cc, 0x03cd, 0x03ce, + 0x03cf, 0x00e0, 0x00e1, 0x00e2, 0x00e3, 0x00e4, 0x00e5, 0x00e6, + 0x00e7, 0x0030, 0x0031, 0x0032, 0x0033, 0x0008, 0x0009, 0x0002, + 0x0000, 0x0003, 0x000a, 0x000b, 0x0034, 0x0035, 0x0036, 0x0037, + 0x00e8, 0x00e9, 0x00ea, 0x00eb, 0x00ec, 0x00ed, 0x00ee, 0x00ef, + 0x03d0, 0x03d1, 0x03d2, 0x03d3, 0x03d4, 0x03d5, 0x03d6, 0x03d7, + 0x03d8, 0x03d9, 0x03da, 0x03db, 0x03dc, 0x03dd, 0x03de, 0x03df, + 0x0fa0, 0x0fa1, 0x0fa2, 0x0fa3, 0x0fa4, 0x0fa5, 0x0fa6, 0x0fa7, + 0x0fa8, 0x0fa9, 0x0faa, 0x0fab, 0x0fac, 0x0fad, 0x0fae, 0x0faf, + 0x0fb0, 0x0fb1, 0x0fb2, 0x0fb3, 0x0fb4, 0x0fb5, 0x0fb6, 0x0fb7, + 0x0fb8, 0x0fb9, 0x0fba, 0x0fbb, 0x0fbc, 0x0fbd, 0x0fbe, 0x0fbf, + 0x3f40, 0x3f41, 0x3f42, 0x3f43, 0x3f44, 0x3f45, 0x3f46, 0x3f47, + 0x3f48, 0x3f49, 0x3f4a, 0x3f4b, 0x3f4c, 0x3f4d, 0x3f4e, 0x3f4f, + 0x3f50, 0x3f51, 0x3f52, 0x3f53, 0x3f54, 0x3f55, 0x3f56, 0x3f57, + 0x3f58, 0x3f59, 0x3f5a, 0x3f5b, 0x3f5c, 0x3f5d, 0x3f5e, 0x3f5f, + 0x3f60, 0x3f61, 0x3f62, 0x3f63, 0x3f64, 0x3f65, 0x3f66, 0x3f67, + 0x3f68, 0x3f69, 0x3f6a, 0x3f6b, 0x3f6c, 0x3f6d, 0x3f6e, 0x3f6f, + 0x3f70, 0x3f71, 0x3f72, 0x3f73, 0x3f74, 0x3f75, 0x3f76, 0x3f77, + 0x3f78, 0x3f79, 0x3f7a, 0x3f7b, 0x3f7c, 0x3f7d, 0x3f7e, 0x3f7f, }; -static const uint8_t rv_chrom_bits[256] = -{ - 16, 14, 14, 14, 14, 14, 14, 14, - 14, 14, 14, 14, 14, 14, 14, 14, - 14, 14, 14, 14, 14, 14, 14, 14, - 14, 14, 14, 14, 14, 14, 14, 14, - 14, 14, 14, 14, 14, 14, 14, 14, - 14, 14, 14, 14, 14, 14, 14, 14, - 14, 14, 14, 14, 14, 14, 14, 14, - 14, 14, 14, 14, 14, 14, 14, 14, - 14, 12, 12, 12, 12, 12, 12, 12, - 12, 12, 12, 12, 12, 12, 12, 12, - 12, 12, 12, 12, 12, 12, 12, 12, - 12, 12, 12, 12, 12, 12, 12, 12, - 12, 10, 10, 10, 10, 10, 10, 10, - 10, 10, 10, 10, 10, 10, 10, 10, - 10, 8, 8, 8, 8, 8, 8, 8, - 8, 6, 6, 6, 6, 4, 4, 3, - 2, 3, 4, 4, 6, 6, 6, 6, - 8, 8, 8, 8, 8, 8, 8, 8, - 10, 10, 10, 10, 10, 10, 10, 10, - 10, 10, 10, 10, 10, 10, 10, 10, - 12, 12, 12, 12, 12, 12, 12, 12, - 12, 12, 12, 12, 12, 12, 12, 12, - 12, 12, 12, 12, 12, 12, 12, 12, - 12, 12, 12, 12, 12, 12, 12, 12, - 14, 14, 14, 14, 14, 14, 14, 14, - 14, 14, 14, 14, 14, 14, 14, 14, - 14, 14, 14, 14, 14, 14, 14, 14, - 14, 14, 14, 14, 14, 14, 14, 14, - 14, 14, 14, 14, 14, 14, 14, 14, - 14, 14, 14, 14, 14, 14, 14, 14, - 14, 14, 14, 14, 14, 14, 14, 14, - 14, 14, 14, 14, 14, 14, 14, 14, +static const uint8_t rv_chrom_bits[256] = { + 16, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 10, 10, 10, 10, 10, 10, 10, + 10, 10, 10, 10, 10, 10, 10, 10, + 10, 8, 8, 8, 8, 8, 8, 8, + 8, 6, 6, 6, 6, 4, 4, 3, + 2, 3, 4, 4, 6, 6, 6, 6, + 8, 8, 8, 8, 8, 8, 8, 8, + 10, 10, 10, 10, 10, 10, 10, 10, + 10, 10, 10, 10, 10, 10, 10, 10, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 14, 14, 14, }; static VLC rv_dc_lum, rv_dc_chrom; @@ -252,18 +248,21 @@ static int rv10_decode_picture_header(MpegEncContext *s) s->pict_type = AV_PICTURE_TYPE_P; else s->pict_type = AV_PICTURE_TYPE_I; - if(!marker) av_log(s->avctx, AV_LOG_ERROR, "marker missing\n"); + + if (!marker) + av_log(s->avctx, AV_LOG_ERROR, "marker missing\n"); + pb_frame = get_bits1(&s->gb); av_dlog(s->avctx, "pict_type=%d pb_frame=%d\n", s->pict_type, pb_frame); - if (pb_frame){ + if (pb_frame) { av_log(s->avctx, AV_LOG_ERROR, "pb frame not supported\n"); return -1; } s->qscale = get_bits(&s->gb, 5); - if(s->qscale==0){ + if (s->qscale == 0) { av_log(s->avctx, AV_LOG_ERROR, "error, qscale:0\n"); return -1; } @@ -281,14 +280,14 @@ static int rv10_decode_picture_header(MpegEncContext *s) /* if multiple packets per frame are sent, the position at which to display the macroblocks is coded here */ - mb_xy= s->mb_x + s->mb_y*s->mb_width; - if(show_bits(&s->gb, 12)==0 || (mb_xy && mb_xy < s->mb_num)){ - s->mb_x = get_bits(&s->gb, 6); /* mb_x */ - s->mb_y = get_bits(&s->gb, 6); /* mb_y */ + mb_xy = s->mb_x + s->mb_y * s->mb_width; + if (show_bits(&s->gb, 12) == 0 || (mb_xy && mb_xy < s->mb_num)) { + s->mb_x = get_bits(&s->gb, 6); /* mb_x */ + s->mb_y = get_bits(&s->gb, 6); /* mb_y */ mb_count = get_bits(&s->gb, 12); } else { - s->mb_x = 0; - s->mb_y = 0; + s->mb_x = 0; + s->mb_y = 0; mb_count = s->mb_width * s->mb_height; } skip_bits(&s->gb, 3); /* ignored */ @@ -304,79 +303,63 @@ static int rv20_decode_picture_header(RVDecContext *rv) int seq, mb_pos, i; int rpr_bits; -#if 0 - GetBitContext gb= s->gb; - for(i=0; i<64; i++){ - av_log(s->avctx, AV_LOG_DEBUG, "%d", get_bits1(&gb)); - if(i%4==3) av_log(s->avctx, AV_LOG_DEBUG, " "); - } - av_log(s->avctx, AV_LOG_DEBUG, "\n"); -#endif -#if 0 - av_log(s->avctx, AV_LOG_DEBUG, "%3dx%03d/%02Xx%02X ", s->width, s->height, s->width/4, s->height/4); - for(i=0; iavctx->extradata_size; i++){ - av_log(s->avctx, AV_LOG_DEBUG, "%02X ", ((uint8_t*)s->avctx->extradata)[i]); - if(i%4==3) av_log(s->avctx, AV_LOG_DEBUG, " "); - } - av_log(s->avctx, AV_LOG_DEBUG, "\n"); -#endif - - i= get_bits(&s->gb, 2); - switch(i){ - case 0: s->pict_type= AV_PICTURE_TYPE_I; break; - case 1: s->pict_type= AV_PICTURE_TYPE_I; break; //hmm ... - case 2: s->pict_type= AV_PICTURE_TYPE_P; break; - case 3: s->pict_type= AV_PICTURE_TYPE_B; break; + i = get_bits(&s->gb, 2); + switch(i) { + case 0: s->pict_type = AV_PICTURE_TYPE_I; break; + case 1: s->pict_type = AV_PICTURE_TYPE_I; break; //hmm ... + case 2: s->pict_type = AV_PICTURE_TYPE_P; break; + case 3: s->pict_type = AV_PICTURE_TYPE_B; break; default: av_log(s->avctx, AV_LOG_ERROR, "unknown frame type\n"); return -1; } - if(s->low_delay && s->pict_type==AV_PICTURE_TYPE_B){ + if (s->low_delay && s->pict_type == AV_PICTURE_TYPE_B) { av_log(s->avctx, AV_LOG_ERROR, "low delay B\n"); return -1; } - if(s->last_picture_ptr==NULL && s->pict_type==AV_PICTURE_TYPE_B){ + if (s->last_picture_ptr == NULL && s->pict_type == AV_PICTURE_TYPE_B) { av_log(s->avctx, AV_LOG_ERROR, "early B pix\n"); return -1; } - if (get_bits1(&s->gb)){ + if (get_bits1(&s->gb)) { av_log(s->avctx, AV_LOG_ERROR, "reserved bit set\n"); return -1; } s->qscale = get_bits(&s->gb, 5); - if(s->qscale==0){ + if (s->qscale == 0) { av_log(s->avctx, AV_LOG_ERROR, "error, qscale:0\n"); return -1; } - if(RV_GET_MINOR_VER(rv->sub_id) >= 2) + if (RV_GET_MINOR_VER(rv->sub_id) >= 2) s->loop_filter = get_bits1(&s->gb) && !s->avctx->lowres; - if(RV_GET_MINOR_VER(rv->sub_id) <= 1) + if (RV_GET_MINOR_VER(rv->sub_id) <= 1) seq = get_bits(&s->gb, 8) << 7; else seq = get_bits(&s->gb, 13) << 2; rpr_bits = s->avctx->extradata[1] & 7; - if(rpr_bits){ + if (rpr_bits) { int f, new_w, new_h; rpr_bits = FFMIN((rpr_bits >> 1) + 1, 3); f = get_bits(&s->gb, rpr_bits); - if(f){ - new_w= 4*((uint8_t*)s->avctx->extradata)[6+2*f]; - new_h= 4*((uint8_t*)s->avctx->extradata)[7+2*f]; - }else{ - new_w= s->orig_width ; - new_h= s->orig_height; + if (f) { + new_w = 4 * ((uint8_t*)s->avctx->extradata)[6 + 2 * f]; + new_h = 4 * ((uint8_t*)s->avctx->extradata)[7 + 2 * f]; + } else { + new_w = s->orig_width ; + new_h = s->orig_height; } - if(new_w != s->width || new_h != s->height){ + if (new_w != s->width || new_h != s->height) { AVRational old_aspect = s->avctx->sample_aspect_ratio; - av_log(s->avctx, AV_LOG_DEBUG, "attempting to change resolution to %dx%d\n", new_w, new_h); + av_log(s->avctx, AV_LOG_DEBUG, + "attempting to change resolution to %dx%d\n", new_w, new_h); if (av_image_check_size(new_w, new_h, 0, s->avctx) < 0) return -1; ff_MPV_common_end(s); @@ -395,7 +378,7 @@ static int rv20_decode_picture_header(RVDecContext *rv) return -1; } - if(s->avctx->debug & FF_DEBUG_PICT_INFO){ + if (s->avctx->debug & FF_DEBUG_PICT_INFO) { av_log(s->avctx, AV_LOG_DEBUG, "F %d/%d\n", f, rpr_bits); } } @@ -404,46 +387,47 @@ static int rv20_decode_picture_header(RVDecContext *rv) mb_pos = ff_h263_decode_mba(s); - seq |= s->time &~0x7FFF; - if(seq - s->time > 0x4000) seq -= 0x8000; - if(seq - s->time < -0x4000) seq += 0x8000; - if(seq != s->time){ - if(s->pict_type!=AV_PICTURE_TYPE_B){ - s->time= seq; - s->pp_time= s->time - s->last_non_b_time; - s->last_non_b_time= s->time; - }else{ - s->time= seq; - s->pb_time= s->pp_time - (s->last_non_b_time - s->time); + seq |= s->time & ~0x7FFF; + if (seq - s->time > 0x4000) + seq -= 0x8000; + if (seq - s->time < -0x4000) + seq += 0x8000; + + if (seq != s->time) { + if (s->pict_type != AV_PICTURE_TYPE_B) { + s->time = seq; + s->pp_time = s->time - s->last_non_b_time; + s->last_non_b_time = s->time; + } else { + s->time = seq; + s->pb_time = s->pp_time - (s->last_non_b_time - s->time); } } - if (s->pict_type==AV_PICTURE_TYPE_B) { - if(s->pp_time <=s->pb_time || s->pp_time <= s->pp_time - s->pb_time || s->pp_time<=0){ - av_log(s->avctx, AV_LOG_DEBUG, "messed up order, possible from seeking? skipping current b frame\n"); + if (s->pict_type == AV_PICTURE_TYPE_B) { + if (s->pp_time <=s->pb_time || s->pp_time <= s->pp_time - s->pb_time || s->pp_time<=0) { + av_log(s->avctx, AV_LOG_DEBUG, + "messed up order, possible from seeking? skipping current b frame\n"); #define ERROR_SKIP_FRAME -123 return ERROR_SKIP_FRAME; } ff_mpeg4_init_direct_mv(s); } - s->no_rounding= get_bits1(&s->gb); + s->no_rounding = get_bits1(&s->gb); - if(RV_GET_MINOR_VER(rv->sub_id) <= 1 && s->pict_type == AV_PICTURE_TYPE_B) + if (RV_GET_MINOR_VER(rv->sub_id) <= 1 && s->pict_type == AV_PICTURE_TYPE_B) skip_bits(&s->gb, 5); // binary decoder reads 3+2 bits here but they don't seem to be used - s->f_code = 1; + s->f_code = 1; s->unrestricted_mv = 1; - s->h263_aic= s->pict_type == AV_PICTURE_TYPE_I; -// s->alt_inter_vlc=1; -// s->obmc=1; -// s->umvplus=1; - s->modified_quant=1; - if(!s->avctx->lowres) - s->loop_filter=1; + s->h263_aic = s->pict_type == AV_PICTURE_TYPE_I; + s->modified_quant = 1; + if (!s->avctx->lowres) + s->loop_filter = 1; - if(s->avctx->debug & FF_DEBUG_PICT_INFO){ - av_log(s->avctx, AV_LOG_INFO, "num:%5d x:%2d y:%2d type:%d qscale:%2d rnd:%d\n", - seq, s->mb_x, s->mb_y, s->pict_type, s->qscale, s->no_rounding); + if (s->avctx->debug & FF_DEBUG_PICT_INFO) { + av_log(s->avctx, AV_LOG_INFO, "num:%5d x:%2d y:%2d type:%d qscale:%2d rnd:%d\n", + seq, s->mb_x, s->mb_y, s->pict_type, s->qscale, s->no_rounding); } av_assert0(s->pict_type != AV_PICTURE_TYPE_B || !s->low_delay); @@ -455,7 +439,7 @@ static av_cold int rv10_decode_init(AVCodecContext *avctx) { RVDecContext *rv = avctx->priv_data; MpegEncContext *s = &rv->m; - static int done=0; + static int done = 0; int major_ver, minor_ver, micro_ver; if (avctx->extradata_size < 8) { @@ -465,15 +449,15 @@ static av_cold int rv10_decode_init(AVCodecContext *avctx) ff_MPV_decode_defaults(s); - s->avctx= avctx; + s->avctx = avctx; s->out_format = FMT_H263; - s->codec_id= avctx->codec_id; + s->codec_id = avctx->codec_id; - s->orig_width = s->width = avctx->coded_width; - s->orig_height= s->height = avctx->coded_height; + s->orig_width = s->width = avctx->coded_width; + s->orig_height = s->height = avctx->coded_height; - s->h263_long_vectors= ((uint8_t*)avctx->extradata)[3] & 1; - rv->sub_id = AV_RB32((uint8_t*)avctx->extradata + 4); + s->h263_long_vectors = ((uint8_t*)avctx->extradata)[3] & 1; + rv->sub_id = AV_RB32((uint8_t*)avctx->extradata + 4); major_ver = RV_GET_MAJOR_VER(rv->sub_id); minor_ver = RV_GET_MINOR_VER(rv->sub_id); @@ -483,11 +467,11 @@ static av_cold int rv10_decode_init(AVCodecContext *avctx) switch (major_ver) { case 1: s->rv10_version = micro_ver ? 3 : 1; - s->obmc = micro_ver == 2; + s->obmc = micro_ver == 2; break; case 2: if (minor_ver >= 2) { - s->low_delay = 0; + s->low_delay = 0; s->avctx->has_b_frames = 1; } break; @@ -497,8 +481,9 @@ static av_cold int rv10_decode_init(AVCodecContext *avctx) return AVERROR_PATCHWELCOME; } - if(avctx->debug & FF_DEBUG_PICT_INFO){ - av_log(avctx, AV_LOG_DEBUG, "ver:%X ver0:%X\n", rv->sub_id, ((uint32_t*)avctx->extradata)[0]); + if (avctx->debug & FF_DEBUG_PICT_INFO) { + av_log(avctx, AV_LOG_DEBUG, "ver:%X ver0:%X\n", rv->sub_id, + ((uint32_t*)avctx->extradata)[0]); } avctx->pix_fmt = AV_PIX_FMT_YUV420P; @@ -511,11 +496,11 @@ static av_cold int rv10_decode_init(AVCodecContext *avctx) /* init rv vlc */ if (!done) { INIT_VLC_STATIC(&rv_dc_lum, DC_VLC_BITS, 256, - rv_lum_bits, 1, 1, - rv_lum_code, 2, 2, 16384); + rv_lum_bits, 1, 1, + rv_lum_code, 2, 2, 16384); INIT_VLC_STATIC(&rv_dc_chrom, DC_VLC_BITS, 256, - rv_chrom_bits, 1, 1, - rv_chrom_code, 2, 2, 16388); + rv_chrom_bits, 1, 1, + rv_chrom_code, 2, 2, 16388); done = 1; } @@ -531,7 +516,7 @@ static av_cold int rv10_decode_end(AVCodecContext *avctx) } static int rv10_decode_packet(AVCodecContext *avctx, - const uint8_t *buf, int buf_size, int buf_size2) + const uint8_t *buf, int buf_size, int buf_size2) { RVDecContext *rv = avctx->priv_data; MpegEncContext *s = &rv->m; @@ -539,7 +524,7 @@ static int rv10_decode_packet(AVCodecContext *avctx, active_bits_size = buf_size * 8; init_get_bits(&s->gb, buf, FFMAX(buf_size, buf_size2) * 8); - if(s->codec_id ==AV_CODEC_ID_RV10) + if (s->codec_id == AV_CODEC_ID_RV10) mb_count = rv10_decode_picture_header(s); else mb_count = rv20_decode_picture_header(rv); @@ -561,13 +546,13 @@ static int rv10_decode_packet(AVCodecContext *avctx, return -1; } - if ((s->mb_x == 0 && s->mb_y == 0) || s->current_picture_ptr==NULL) { - if(s->current_picture_ptr){ //FIXME write parser so we always have complete frames? + if ((s->mb_x == 0 && s->mb_y == 0) || s->current_picture_ptr == NULL) { + if (s->current_picture_ptr) { // FIXME write parser so we always have complete frames? ff_er_frame_end(&s->er); ff_MPV_frame_end(s); - s->mb_x= s->mb_y = s->resync_mb_x = s->resync_mb_y= 0; + s->mb_x = s->mb_y = s->resync_mb_x = s->resync_mb_y = 0; } - if(ff_MPV_frame_start(s, avctx) < 0) + if (ff_MPV_frame_start(s, avctx) < 0) return -1; ff_mpeg_er_frame_start(s); } else { @@ -581,47 +566,46 @@ static int rv10_decode_packet(AVCodecContext *avctx, av_dlog(avctx, "qscale=%d\n", s->qscale); /* default quantization values */ - if(s->codec_id== AV_CODEC_ID_RV10){ - if(s->mb_y==0) s->first_slice_line=1; - }else{ - s->first_slice_line=1; - s->resync_mb_x= s->mb_x; + if (s->codec_id == AV_CODEC_ID_RV10) { + if (s->mb_y == 0) + s->first_slice_line = 1; + } else { + s->first_slice_line = 1; + s->resync_mb_x = s->mb_x; } - start_mb_x= s->mb_x; - s->resync_mb_y= s->mb_y; - if(s->h263_aic){ - s->y_dc_scale_table= - s->c_dc_scale_table= ff_aic_dc_scale_table; - }else{ - s->y_dc_scale_table= - s->c_dc_scale_table= ff_mpeg1_dc_scale_table; + start_mb_x = s->mb_x; + s->resync_mb_y = s->mb_y; + if (s->h263_aic) { + s->y_dc_scale_table = s->c_dc_scale_table = ff_aic_dc_scale_table; + } else { + s->y_dc_scale_table = s->c_dc_scale_table = ff_mpeg1_dc_scale_table; } - if(s->modified_quant) - s->chroma_qscale_table= ff_h263_chroma_qscale_table; + if (s->modified_quant) + s->chroma_qscale_table = ff_h263_chroma_qscale_table; ff_set_qscale(s, s->qscale); s->rv10_first_dc_coded[0] = 0; s->rv10_first_dc_coded[1] = 0; s->rv10_first_dc_coded[2] = 0; - s->block_wrap[0]= - s->block_wrap[1]= - s->block_wrap[2]= - s->block_wrap[3]= s->b8_stride; - s->block_wrap[4]= - s->block_wrap[5]= s->mb_stride; + s->block_wrap[0] = + s->block_wrap[1] = + s->block_wrap[2] = + s->block_wrap[3] = s->b8_stride; + s->block_wrap[4] = + s->block_wrap[5] = s->mb_stride; ff_init_block_index(s); - /* decode each macroblock */ - for(s->mb_num_left= mb_count; s->mb_num_left>0; s->mb_num_left--) { + /* decode each macroblock */ + for (s->mb_num_left = mb_count; s->mb_num_left > 0; s->mb_num_left--) { int ret; ff_update_block_index(s); av_dlog(avctx, "**mb x=%d y=%d\n", s->mb_x, s->mb_y); - s->mv_dir = MV_DIR_FORWARD; + s->mv_dir = MV_DIR_FORWARD; s->mv_type = MV_TYPE_16X16; - ret=ff_h263_decode_mb(s, s->block); + ret = ff_h263_decode_mb(s, s->block); // Repeat the slice end check from ff_h263_decode_mb with our active // bitstream size @@ -639,17 +623,17 @@ static int rv10_decode_packet(AVCodecContext *avctx, active_bits_size = buf_size2 * 8; av_log(avctx, AV_LOG_DEBUG, "update size from %d to %d\n", 8 * buf_size, active_bits_size); - ret= SLICE_OK; + ret = SLICE_OK; } if (ret == SLICE_ERROR || active_bits_size < get_bits_count(&s->gb)) { av_log(s->avctx, AV_LOG_ERROR, "ERROR at MB %d %d\n", s->mb_x, s->mb_y); return -1; } - if(s->pict_type != AV_PICTURE_TYPE_B) + if (s->pict_type != AV_PICTURE_TYPE_B) ff_h263_update_motion_val(s); ff_MPV_decode_mb(s, s->block); - if(s->loop_filter) + if (s->loop_filter) ff_h263_loop_filter(s); if (++s->mb_x == s->mb_width) { @@ -657,20 +641,24 @@ static int rv10_decode_packet(AVCodecContext *avctx, s->mb_y++; ff_init_block_index(s); } - if(s->mb_x == s->resync_mb_x) - s->first_slice_line=0; - if(ret == SLICE_END) break; + if (s->mb_x == s->resync_mb_x) + s->first_slice_line = 0; + if (ret == SLICE_END) + break; } - ff_er_add_slice(&s->er, start_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, ER_MB_END); + ff_er_add_slice(&s->er, start_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, + ER_MB_END); return active_bits_size; } static int get_slice_offset(AVCodecContext *avctx, const uint8_t *buf, int n) { - if(avctx->slice_count) return avctx->slice_offset[n]; - else return AV_RL32(buf + n*8); + if (avctx->slice_count) + return avctx->slice_offset[n]; + else + return AV_RL32(buf + n * 8); } static int rv10_decode_frame(AVCodecContext *avctx, @@ -678,10 +666,10 @@ static int rv10_decode_frame(AVCodecContext *avctx, AVPacket *avpkt) { const uint8_t *buf = avpkt->data; - int buf_size = avpkt->size; - MpegEncContext *s = avctx->priv_data; + int buf_size = avpkt->size; + MpegEncContext *s = avctx->priv_data; + AVFrame *pict = data; int i, ret; - AVFrame *pict = data; int slice_count; const uint8_t *slices_hdr = NULL; @@ -694,7 +682,7 @@ static int rv10_decode_frame(AVCodecContext *avctx, return 0; } - if(!avctx->slice_count){ + if (!avctx->slice_count) { slice_count = (*buf++) + 1; buf_size--; @@ -704,37 +692,37 @@ static int rv10_decode_frame(AVCodecContext *avctx, } slices_hdr = buf + 4; - buf += 8 * slice_count; - buf_size -= 8 * slice_count; - }else + buf += 8 * slice_count; + buf_size -= 8 * slice_count; + } else slice_count = avctx->slice_count; - for(i=0; i= buf_size) return AVERROR_INVALIDDATA; - if(i+1 == slice_count) - size= buf_size - offset; + if (i + 1 == slice_count) + size = buf_size - offset; else - size= get_slice_offset(avctx, slices_hdr, i+1) - offset; + size = get_slice_offset(avctx, slices_hdr, i + 1) - offset; - if(i+2 >= slice_count) - size2= buf_size - offset; + if (i + 2 >= slice_count) + size2 = buf_size - offset; else - size2= get_slice_offset(avctx, slices_hdr, i+2) - offset; + size2 = get_slice_offset(avctx, slices_hdr, i + 2) - offset; if (size <= 0 || size2 <= 0 || offset + FFMAX(size, size2) > buf_size) return AVERROR_INVALIDDATA; - if(rv10_decode_packet(avctx, buf+offset, size, size2) > 8*size) + if (rv10_decode_packet(avctx, buf + offset, size, size2) > 8 * size) i++; } - if(s->current_picture_ptr != NULL && s->mb_y>=s->mb_height){ + if (s->current_picture_ptr != NULL && s->mb_y >= s->mb_height) { ff_er_frame_end(&s->er); ff_MPV_frame_end(s); @@ -750,10 +738,12 @@ static int rv10_decode_frame(AVCodecContext *avctx, ff_mpv_export_qp_table(s, pict,s->last_picture_ptr, FF_QSCALE_TYPE_MPEG1); } - if(s->last_picture_ptr || s->low_delay){ + if (s->last_picture_ptr || s->low_delay) { *got_frame = 1; } - s->current_picture_ptr= NULL; // so we can detect if frame_end was not called (find some nicer solution...) + + // so we can detect if frame_end was not called (find some nicer solution...) + s->current_picture_ptr = NULL; } return avpkt->size;