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@ -18,12 +18,13 @@ |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "libavutil/dict.h" |
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#include "avformat.h" |
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#include "avio_internal.h" |
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#include "internal.h" |
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#include "riff.h" |
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#include "asf.h" |
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#include "avio_internal.h" |
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#include "libavutil/dict.h" |
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#undef NDEBUG |
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#include <assert.h> |
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@ -33,10 +34,9 @@ |
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#define ASF_INDEX_BLOCK (1<<9) |
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#define ASF_PACKET_ERROR_CORRECTION_DATA_SIZE 0x2 |
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#define ASF_PACKET_ERROR_CORRECTION_FLAGS (\ |
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ASF_PACKET_FLAG_ERROR_CORRECTION_PRESENT | \
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ASF_PACKET_ERROR_CORRECTION_DATA_SIZE\
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) |
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#define ASF_PACKET_ERROR_CORRECTION_FLAGS \ |
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(ASF_PACKET_FLAG_ERROR_CORRECTION_PRESENT | \
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ASF_PACKET_ERROR_CORRECTION_DATA_SIZE) |
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#if (ASF_PACKET_ERROR_CORRECTION_FLAGS != 0) |
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# define ASF_PACKET_ERROR_CORRECTION_FLAGS_FIELD_SIZE 1 |
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@ -44,12 +44,11 @@ |
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# define ASF_PACKET_ERROR_CORRECTION_FLAGS_FIELD_SIZE 0 |
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#endif |
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#define ASF_PPI_PROPERTY_FLAGS (\ |
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ASF_PL_FLAG_REPLICATED_DATA_LENGTH_FIELD_IS_BYTE | \
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ASF_PL_FLAG_OFFSET_INTO_MEDIA_OBJECT_LENGTH_FIELD_IS_DWORD | \
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ASF_PL_FLAG_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_IS_BYTE | \
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ASF_PL_FLAG_STREAM_NUMBER_LENGTH_FIELD_IS_BYTE \
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) |
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#define ASF_PPI_PROPERTY_FLAGS \ |
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(ASF_PL_FLAG_REPLICATED_DATA_LENGTH_FIELD_IS_BYTE | \
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ASF_PL_FLAG_OFFSET_INTO_MEDIA_OBJECT_LENGTH_FIELD_IS_DWORD | \
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ASF_PL_FLAG_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_IS_BYTE | \
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ASF_PL_FLAG_STREAM_NUMBER_LENGTH_FIELD_IS_BYTE) |
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#define ASF_PPI_LENGTH_TYPE_FLAGS 0 |
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@ -68,7 +67,6 @@ |
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# define ASF_PPI_SEQUENCE_FIELD_SIZE 0 |
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#endif |
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#if (ASF_PPI_FLAG_PACKET_LENGTH_FIELD_IS_BYTE == (ASF_PPI_LENGTH_TYPE_FLAGS & ASF_PPI_MASK_PACKET_LENGTH_FIELD_SIZE)) |
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# define ASF_PPI_PACKET_LENGTH_FIELD_SIZE 1 |
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#endif |
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@ -144,51 +142,45 @@ |
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# define ASF_PAYLOAD_LENGTH_FIELD_SIZE 0 |
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#endif |
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#define PACKET_HEADER_MIN_SIZE (\ |
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ASF_PACKET_ERROR_CORRECTION_FLAGS_FIELD_SIZE + \
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ASF_PACKET_ERROR_CORRECTION_DATA_SIZE + \
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1 + /*Length Type Flags*/ \
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1 + /*Property Flags*/ \
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ASF_PPI_PACKET_LENGTH_FIELD_SIZE + \
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ASF_PPI_SEQUENCE_FIELD_SIZE + \
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ASF_PPI_PADDING_LENGTH_FIELD_SIZE + \
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4 + /*Send Time Field*/ \
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2 /*Duration Field*/ \
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) |
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#define PACKET_HEADER_MIN_SIZE \ |
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(ASF_PACKET_ERROR_CORRECTION_FLAGS_FIELD_SIZE + \
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ASF_PACKET_ERROR_CORRECTION_DATA_SIZE + \
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1 + /* Length Type Flags */ \
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1 + /* Property Flags */ \
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ASF_PPI_PACKET_LENGTH_FIELD_SIZE + \
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ASF_PPI_SEQUENCE_FIELD_SIZE + \
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ASF_PPI_PADDING_LENGTH_FIELD_SIZE + \
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4 + /* Send Time Field */ \
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2) /* Duration Field */ |
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// Replicated Data shall be at least 8 bytes long.
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#define ASF_PAYLOAD_REPLICATED_DATA_LENGTH 0x08 |
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#define PAYLOAD_HEADER_SIZE_SINGLE_PAYLOAD (\ |
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1 + /*Stream Number*/ \
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ASF_PAYLOAD_MEDIA_OBJECT_NUMBER_FIELD_SIZE + \
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ASF_PAYLOAD_OFFSET_INTO_MEDIA_OBJECT_FIELD_SIZE + \
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ASF_PAYLOAD_REPLICATED_DATA_LENGTH_FIELD_SIZE + \
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ASF_PAYLOAD_REPLICATED_DATA_LENGTH \
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) |
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#define PAYLOAD_HEADER_SIZE_MULTIPLE_PAYLOADS (\ |
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1 + /*Stream Number*/ \
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ASF_PAYLOAD_MEDIA_OBJECT_NUMBER_FIELD_SIZE + \
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ASF_PAYLOAD_OFFSET_INTO_MEDIA_OBJECT_FIELD_SIZE + \
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ASF_PAYLOAD_REPLICATED_DATA_LENGTH_FIELD_SIZE + \
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ASF_PAYLOAD_REPLICATED_DATA_LENGTH + \
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ASF_PAYLOAD_LENGTH_FIELD_SIZE \
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) |
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#define SINGLE_PAYLOAD_DATA_LENGTH (\ |
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PACKET_SIZE - \
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PACKET_HEADER_MIN_SIZE - \
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PAYLOAD_HEADER_SIZE_SINGLE_PAYLOAD \
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) |
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#define MULTI_PAYLOAD_CONSTANT (\ |
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PACKET_SIZE - \
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PACKET_HEADER_MIN_SIZE - \
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1 - /*Payload Flags*/ \
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2*PAYLOAD_HEADER_SIZE_MULTIPLE_PAYLOADS \
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) |
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#define PAYLOAD_HEADER_SIZE_SINGLE_PAYLOAD \ |
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(1 + /* Stream Number */ \
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ASF_PAYLOAD_MEDIA_OBJECT_NUMBER_FIELD_SIZE + \
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ASF_PAYLOAD_OFFSET_INTO_MEDIA_OBJECT_FIELD_SIZE + \
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ASF_PAYLOAD_REPLICATED_DATA_LENGTH_FIELD_SIZE + \
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ASF_PAYLOAD_REPLICATED_DATA_LENGTH) |
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#define PAYLOAD_HEADER_SIZE_MULTIPLE_PAYLOADS \ |
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(1 + /* Stream Number */ \
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ASF_PAYLOAD_MEDIA_OBJECT_NUMBER_FIELD_SIZE + \
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ASF_PAYLOAD_OFFSET_INTO_MEDIA_OBJECT_FIELD_SIZE + \
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ASF_PAYLOAD_REPLICATED_DATA_LENGTH_FIELD_SIZE + \
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ASF_PAYLOAD_REPLICATED_DATA_LENGTH + \
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ASF_PAYLOAD_LENGTH_FIELD_SIZE) |
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#define SINGLE_PAYLOAD_DATA_LENGTH \ |
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(PACKET_SIZE - \
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PACKET_HEADER_MIN_SIZE - \
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PAYLOAD_HEADER_SIZE_SINGLE_PAYLOAD) |
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#define MULTI_PAYLOAD_CONSTANT \ |
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(PACKET_SIZE - \
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PACKET_HEADER_MIN_SIZE - \
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1 - /* Payload Flags */ \
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2 * PAYLOAD_HEADER_SIZE_MULTIPLE_PAYLOADS) |
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typedef struct { |
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uint32_t seqno; |
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@ -208,7 +200,7 @@ typedef struct { |
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/* only for reading */ |
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uint64_t data_offset; ///< beginning of the first data packet
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ASFIndex* index_ptr; |
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ASFIndex *index_ptr; |
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uint32_t nb_index_memory_alloc; |
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uint16_t maximum_packet; |
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uint32_t next_packet_number; |
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@ -218,10 +210,10 @@ typedef struct { |
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} ASFContext; |
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static const AVCodecTag codec_asf_bmp_tags[] = { |
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{ AV_CODEC_ID_MPEG4, MKTAG('M', '4', 'S', '2') }, |
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{ AV_CODEC_ID_MPEG4, MKTAG('M', 'P', '4', 'S') }, |
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{ AV_CODEC_ID_MPEG4, MKTAG('M', '4', 'S', '2') }, |
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{ AV_CODEC_ID_MPEG4, MKTAG('M', 'P', '4', 'S') }, |
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{ AV_CODEC_ID_MSMPEG4V3, MKTAG('M', 'P', '4', '3') }, |
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{ AV_CODEC_ID_NONE, 0 }, |
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{ AV_CODEC_ID_NONE, 0 }, |
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}; |
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#define PREROLL_TIME 3100 |
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@ -269,7 +261,8 @@ static void end_header(AVIOContext *pb, int64_t pos) |
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} |
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/* write an asf chunk (only used in streaming case) */ |
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static void put_chunk(AVFormatContext *s, int type, int payload_length, int flags) |
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static void put_chunk(AVFormatContext *s, int type, |
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int payload_length, int flags) |
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{ |
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ASFContext *asf = s->priv_data; |
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AVIOContext *pb = s->pb; |
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@ -277,10 +270,10 @@ static void put_chunk(AVFormatContext *s, int type, int payload_length, int flag |
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length = payload_length + 8; |
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avio_wl16(pb, type); |
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avio_wl16(pb, length); //size
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avio_wl32(pb, asf->seqno);//sequence number
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avio_wl16(pb, flags); /* unknown bytes */ |
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avio_wl16(pb, length); //size_confirm
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avio_wl16(pb, length); // size
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avio_wl32(pb, asf->seqno); // sequence number
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avio_wl16(pb, flags); // unknown bytes
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avio_wl16(pb, length); // size_confirm
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asf->seqno++; |
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} |
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@ -289,13 +282,14 @@ static int64_t unix_to_file_time(int ti) |
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{ |
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int64_t t; |
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t = ti * INT64_C(10000000); |
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t = ti * INT64_C(10000000); |
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t += INT64_C(116444736000000000); |
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return t; |
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} |
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/* write the header (used two times if non streamed) */ |
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static int asf_write_header1(AVFormatContext *s, int64_t file_size, int64_t data_chunk_size) |
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static int asf_write_header1(AVFormatContext *s, int64_t file_size, |
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int64_t data_chunk_size) |
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{ |
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ASFContext *asf = s->priv_data; |
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AVIOContext *pb = s->pb; |
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@ -310,18 +304,18 @@ static int asf_write_header1(AVFormatContext *s, int64_t file_size, int64_t data |
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ff_metadata_conv(&s->metadata, ff_asf_metadata_conv, NULL); |
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tags[0] = av_dict_get(s->metadata, "title" , NULL, 0); |
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tags[1] = av_dict_get(s->metadata, "author" , NULL, 0); |
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tags[0] = av_dict_get(s->metadata, "title", NULL, 0); |
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tags[1] = av_dict_get(s->metadata, "author", NULL, 0); |
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tags[2] = av_dict_get(s->metadata, "copyright", NULL, 0); |
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tags[3] = av_dict_get(s->metadata, "comment" , NULL, 0); |
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tags[4] = av_dict_get(s->metadata, "rating" , NULL, 0); |
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tags[3] = av_dict_get(s->metadata, "comment", NULL, 0); |
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tags[4] = av_dict_get(s->metadata, "rating", NULL, 0); |
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duration = asf->duration + PREROLL_TIME * 10000; |
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has_title = tags[0] || tags[1] || tags[2] || tags[3] || tags[4]; |
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duration = asf->duration + PREROLL_TIME * 10000; |
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has_title = tags[0] || tags[1] || tags[2] || tags[3] || tags[4]; |
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metadata_count = av_dict_count(s->metadata); |
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bit_rate = 0; |
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for(n=0;n<s->nb_streams;n++) { |
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for (n = 0; n < s->nb_streams; n++) { |
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enc = s->streams[n]->codec; |
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avpriv_set_pts_info(s->streams[n], 32, 1, 1000); /* 32 bit pts in ms */ |
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@ -341,7 +335,7 @@ static int asf_write_header1(AVFormatContext *s, int64_t file_size, int64_t data |
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/* file header */ |
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header_offset = avio_tell(pb); |
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hpos = put_header(pb, &ff_asf_file_header); |
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hpos = put_header(pb, &ff_asf_file_header); |
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ff_put_guid(pb, &ff_asf_my_guid); |
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avio_wl64(pb, file_size); |
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file_time = 0; |
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@ -350,7 +344,7 @@ static int asf_write_header1(AVFormatContext *s, int64_t file_size, int64_t data |
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avio_wl64(pb, duration); /* end time stamp (in 100ns units) */ |
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avio_wl64(pb, asf->duration); /* duration (in 100ns units) */ |
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avio_wl64(pb, PREROLL_TIME); /* start time stamp */ |
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avio_wl32(pb, (asf->is_streamed || !pb->seekable ) ? 3 : 2); /* ??? */ |
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avio_wl32(pb, (asf->is_streamed || !pb->seekable) ? 3 : 2); /* ??? */ |
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avio_wl32(pb, s->packet_size); /* packet size */ |
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avio_wl32(pb, s->packet_size); /* packet size */ |
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avio_wl32(pb, bit_rate); /* Nominal data rate in bps */ |
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@ -396,26 +390,25 @@ static int asf_write_header1(AVFormatContext *s, int64_t file_size, int64_t data |
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} |
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/* stream headers */ |
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for(n=0;n<s->nb_streams;n++) { |
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for (n = 0; n < s->nb_streams; n++) { |
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int64_t es_pos; |
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// ASFStream *stream = &asf->streams[n];
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enc = s->streams[n]->codec; |
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enc = s->streams[n]->codec; |
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asf->streams[n].num = n + 1; |
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asf->streams[n].seq = 1; |
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switch(enc->codec_type) { |
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switch (enc->codec_type) { |
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case AVMEDIA_TYPE_AUDIO: |
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wav_extra_size = 0; |
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extra_size = 18 + wav_extra_size; |
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extra_size2 = 8; |
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extra_size = 18 + wav_extra_size; |
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extra_size2 = 8; |
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break; |
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default: |
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case AVMEDIA_TYPE_VIDEO: |
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wav_extra_size = enc->extradata_size; |
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extra_size = 0x33 + wav_extra_size; |
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extra_size2 = 0; |
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extra_size = 0x33 + wav_extra_size; |
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extra_size2 = 0; |
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break; |
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} |
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@ -448,10 +441,10 @@ static int asf_write_header1(AVFormatContext *s, int64_t file_size, int64_t data |
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} |
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/* ERROR Correction */ |
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avio_w8(pb, 0x01); |
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if(enc->codec_id == AV_CODEC_ID_ADPCM_G726 || !enc->block_align){ |
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if (enc->codec_id == AV_CODEC_ID_ADPCM_G726 || !enc->block_align) { |
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avio_wl16(pb, 0x0190); |
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avio_wl16(pb, 0x0190); |
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}else{ |
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} else { |
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avio_wl16(pb, enc->block_align); |
|
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|
avio_wl16(pb, enc->block_align); |
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|
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|
} |
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|
@ -474,7 +467,7 @@ static int asf_write_header1(AVFormatContext *s, int64_t file_size, int64_t data |
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|
hpos = put_header(pb, &ff_asf_codec_comment_header); |
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|
ff_put_guid(pb, &ff_asf_codec_comment1_header); |
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|
avio_wl32(pb, s->nb_streams); |
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|
for(n=0;n<s->nb_streams;n++) { |
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|
for (n = 0; n < s->nb_streams; n++) { |
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|
AVCodec *p; |
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|
const char *desc; |
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|
int len; |
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|
@ -482,21 +475,21 @@ static int asf_write_header1(AVFormatContext *s, int64_t file_size, int64_t data |
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|
AVIOContext *dyn_buf; |
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|
enc = s->streams[n]->codec; |
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|
p = avcodec_find_encoder(enc->codec_id); |
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|
p = avcodec_find_encoder(enc->codec_id); |
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|
if(enc->codec_type == AVMEDIA_TYPE_AUDIO) |
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|
if (enc->codec_type == AVMEDIA_TYPE_AUDIO) |
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|
avio_wl16(pb, 2); |
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|
else if(enc->codec_type == AVMEDIA_TYPE_VIDEO) |
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|
else if (enc->codec_type == AVMEDIA_TYPE_VIDEO) |
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|
avio_wl16(pb, 1); |
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|
else |
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|
avio_wl16(pb, -1); |
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if(enc->codec_id == AV_CODEC_ID_WMAV2) |
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|
if (enc->codec_id == AV_CODEC_ID_WMAV2) |
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|
desc = "Windows Media Audio V8"; |
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|
else |
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|
desc = p ? p->name : enc->codec_name; |
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if ( avio_open_dyn_buf(&dyn_buf) < 0) |
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|
if (avio_open_dyn_buf(&dyn_buf) < 0) |
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|
return AVERROR(ENOMEM); |
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|
avio_put_str16le(dyn_buf, desc); |
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@ -508,7 +501,6 @@ static int asf_write_header1(AVFormatContext *s, int64_t file_size, int64_t data |
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avio_wl16(pb, 0); /* no parameters */ |
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/* id */ |
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|
if (enc->codec_type == AVMEDIA_TYPE_AUDIO) { |
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|
avio_wl16(pb, 2); |
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@ -517,14 +509,14 @@ static int asf_write_header1(AVFormatContext *s, int64_t file_size, int64_t data |
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avio_wl16(pb, 4); |
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|
avio_wl32(pb, enc->codec_tag); |
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|
} |
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|
if(!enc->codec_tag) |
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|
if (!enc->codec_tag) |
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|
return -1; |
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|
} |
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|
end_header(pb, hpos); |
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/* patch the header size fields */ |
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cur_pos = avio_tell(pb); |
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cur_pos = avio_tell(pb); |
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|
header_size = cur_pos - header_offset; |
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|
if (asf->is_streamed) { |
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|
header_size += 8 + 30 + 50; |
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|
@ -559,9 +551,9 @@ static int asf_write_header(AVFormatContext *s) |
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|
s->packet_size = PACKET_SIZE; |
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|
asf->nb_packets = 0; |
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|
asf->index_ptr = av_malloc( sizeof(ASFIndex) * ASF_INDEX_BLOCK ); |
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|
asf->index_ptr = av_malloc(sizeof(ASFIndex) * ASF_INDEX_BLOCK); |
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|
asf->nb_index_memory_alloc = ASF_INDEX_BLOCK; |
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|
|
asf->maximum_packet = 0; |
|
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|
|
asf->maximum_packet = 0; |
|
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|
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|
|
|
|
|
/* the data-chunk-size has to be 50, which is data_size - asf->data_offset
|
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|
* at the moment this function is done. It is needed to use asf as |
|
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|
@ -573,11 +565,11 @@ static int asf_write_header(AVFormatContext *s) |
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|
avio_flush(s->pb); |
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|
|
asf->packet_nb_payloads = 0; |
|
|
|
|
asf->packet_nb_payloads = 0; |
|
|
|
|
asf->packet_timestamp_start = -1; |
|
|
|
|
asf->packet_timestamp_end = -1; |
|
|
|
|
asf->packet_timestamp_end = -1; |
|
|
|
|
ffio_init_context(&asf->pb, asf->packet_buf, s->packet_size, 1, |
|
|
|
|
NULL, NULL, NULL, NULL); |
|
|
|
|
NULL, NULL, NULL, NULL); |
|
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|
|
|
|
|
|
if (s->avoid_negative_ts < 0) |
|
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|
|
s->avoid_negative_ts = 1; |
|
|
|
@ -594,30 +586,25 @@ static int asf_write_stream_header(AVFormatContext *s) |
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|
|
return asf_write_header(s); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
static int put_payload_parsing_info( |
|
|
|
|
AVFormatContext *s, |
|
|
|
|
unsigned int sendtime, |
|
|
|
|
unsigned int duration, |
|
|
|
|
int nb_payloads, |
|
|
|
|
int padsize |
|
|
|
|
) |
|
|
|
|
static int put_payload_parsing_info(AVFormatContext *s, |
|
|
|
|
unsigned sendtime, unsigned duration, |
|
|
|
|
int nb_payloads, int padsize) |
|
|
|
|
{ |
|
|
|
|
ASFContext *asf = s->priv_data; |
|
|
|
|
AVIOContext *pb = s->pb; |
|
|
|
|
int ppi_size, i; |
|
|
|
|
int64_t start= avio_tell(pb); |
|
|
|
|
int64_t start = avio_tell(pb); |
|
|
|
|
|
|
|
|
|
int iLengthTypeFlags = ASF_PPI_LENGTH_TYPE_FLAGS; |
|
|
|
|
|
|
|
|
|
padsize -= PACKET_HEADER_MIN_SIZE; |
|
|
|
|
if(asf->multi_payloads_present) |
|
|
|
|
if (asf->multi_payloads_present) |
|
|
|
|
padsize--; |
|
|
|
|
assert(padsize>=0); |
|
|
|
|
assert(padsize >= 0); |
|
|
|
|
|
|
|
|
|
avio_w8(pb, ASF_PACKET_ERROR_CORRECTION_FLAGS); |
|
|
|
|
for (i = 0; i < ASF_PACKET_ERROR_CORRECTION_DATA_SIZE; i++){ |
|
|
|
|
for (i = 0; i < ASF_PACKET_ERROR_CORRECTION_DATA_SIZE; i++) |
|
|
|
|
avio_w8(pb, 0x0); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
if (asf->multi_payloads_present) |
|
|
|
|
iLengthTypeFlags |= ASF_PPI_FLAG_MULTIPLE_PAYLOADS_PRESENT; |
|
|
|
@ -654,17 +641,14 @@ static void flush_packet(AVFormatContext *s) |
|
|
|
|
|
|
|
|
|
assert(asf->packet_timestamp_end >= asf->packet_timestamp_start); |
|
|
|
|
|
|
|
|
|
if (asf->is_streamed) { |
|
|
|
|
if (asf->is_streamed) |
|
|
|
|
put_chunk(s, 0x4424, s->packet_size, 0); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
packet_hdr_size = put_payload_parsing_info( |
|
|
|
|
s, |
|
|
|
|
asf->packet_timestamp_start, |
|
|
|
|
asf->packet_timestamp_end - asf->packet_timestamp_start, |
|
|
|
|
asf->packet_nb_payloads, |
|
|
|
|
asf->packet_size_left |
|
|
|
|
); |
|
|
|
|
packet_hdr_size = put_payload_parsing_info(s, |
|
|
|
|
asf->packet_timestamp_start, |
|
|
|
|
asf->packet_timestamp_end - asf->packet_timestamp_start, |
|
|
|
|
asf->packet_nb_payloads, |
|
|
|
|
asf->packet_size_left); |
|
|
|
|
|
|
|
|
|
packet_filled_size = PACKET_SIZE - asf->packet_size_left; |
|
|
|
|
assert(packet_hdr_size <= asf->packet_size_left); |
|
|
|
@ -674,22 +658,16 @@ static void flush_packet(AVFormatContext *s) |
|
|
|
|
|
|
|
|
|
avio_flush(s->pb); |
|
|
|
|
asf->nb_packets++; |
|
|
|
|
asf->packet_nb_payloads = 0; |
|
|
|
|
asf->packet_nb_payloads = 0; |
|
|
|
|
asf->packet_timestamp_start = -1; |
|
|
|
|
asf->packet_timestamp_end = -1; |
|
|
|
|
asf->packet_timestamp_end = -1; |
|
|
|
|
ffio_init_context(&asf->pb, asf->packet_buf, s->packet_size, 1, |
|
|
|
|
NULL, NULL, NULL, NULL); |
|
|
|
|
NULL, NULL, NULL, NULL); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
static void put_payload_header( |
|
|
|
|
AVFormatContext *s, |
|
|
|
|
ASFStream *stream, |
|
|
|
|
int64_t presentation_time, |
|
|
|
|
int m_obj_size, |
|
|
|
|
int m_obj_offset, |
|
|
|
|
int payload_len, |
|
|
|
|
int flags |
|
|
|
|
) |
|
|
|
|
static void put_payload_header(AVFormatContext *s, ASFStream *stream, |
|
|
|
|
int64_t presentation_time, int m_obj_size, |
|
|
|
|
int m_obj_offset, int payload_len, int flags) |
|
|
|
|
{ |
|
|
|
|
ASFContext *asf = s->priv_data; |
|
|
|
|
AVIOContext *pb = &asf->pb; |
|
|
|
@ -700,8 +678,8 @@ static void put_payload_header( |
|
|
|
|
val |= ASF_PL_FLAG_KEY_FRAME; |
|
|
|
|
avio_w8(pb, val); |
|
|
|
|
|
|
|
|
|
avio_w8(pb, stream->seq); //Media object number
|
|
|
|
|
avio_wl32(pb, m_obj_offset); //Offset Into Media Object
|
|
|
|
|
avio_w8(pb, stream->seq); // Media object number
|
|
|
|
|
avio_wl32(pb, m_obj_offset); // Offset Into Media Object
|
|
|
|
|
|
|
|
|
|
// Replicated Data shall be at least 8 bytes long.
|
|
|
|
|
// The first 4 bytes of data shall contain the
|
|
|
|
@ -710,23 +688,17 @@ static void put_payload_header( |
|
|
|
|
// Presentation Time for the media object that the payload belongs to.
|
|
|
|
|
avio_w8(pb, ASF_PAYLOAD_REPLICATED_DATA_LENGTH); |
|
|
|
|
|
|
|
|
|
avio_wl32(pb, m_obj_size); //Replicated Data - Media Object Size
|
|
|
|
|
avio_wl32(pb, (uint32_t) presentation_time);//Replicated Data - Presentation Time
|
|
|
|
|
avio_wl32(pb, m_obj_size); // Replicated Data - Media Object Size
|
|
|
|
|
avio_wl32(pb, (uint32_t) presentation_time); // Replicated Data - Presentation Time
|
|
|
|
|
|
|
|
|
|
if (asf->multi_payloads_present){ |
|
|
|
|
avio_wl16(pb, payload_len); //payload length
|
|
|
|
|
if (asf->multi_payloads_present) { |
|
|
|
|
avio_wl16(pb, payload_len); // payload length
|
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
static void put_frame( |
|
|
|
|
AVFormatContext *s, |
|
|
|
|
ASFStream *stream, |
|
|
|
|
AVStream *avst, |
|
|
|
|
int64_t timestamp, |
|
|
|
|
const uint8_t *buf, |
|
|
|
|
int m_obj_size, |
|
|
|
|
int flags |
|
|
|
|
) |
|
|
|
|
static void put_frame(AVFormatContext *s, ASFStream *stream, AVStream *avst, |
|
|
|
|
int64_t timestamp, const uint8_t *buf, |
|
|
|
|
int m_obj_size, int flags) |
|
|
|
|
{ |
|
|
|
|
ASFContext *asf = s->priv_data; |
|
|
|
|
int m_obj_offset, payload_len, frag_len1; |
|
|
|
@ -738,19 +710,20 @@ static void put_frame( |
|
|
|
|
asf->multi_payloads_present = (payload_len < MULTI_PAYLOAD_CONSTANT); |
|
|
|
|
|
|
|
|
|
asf->packet_size_left = PACKET_SIZE; |
|
|
|
|
if (asf->multi_payloads_present){ |
|
|
|
|
if (asf->multi_payloads_present) { |
|
|
|
|
frag_len1 = MULTI_PAYLOAD_CONSTANT - 1; |
|
|
|
|
} |
|
|
|
|
else { |
|
|
|
|
} else { |
|
|
|
|
frag_len1 = SINGLE_PAYLOAD_DATA_LENGTH; |
|
|
|
|
} |
|
|
|
|
asf->packet_timestamp_start = timestamp; |
|
|
|
|
} |
|
|
|
|
else { |
|
|
|
|
} else { |
|
|
|
|
// multi payloads
|
|
|
|
|
frag_len1 = asf->packet_size_left - PAYLOAD_HEADER_SIZE_MULTIPLE_PAYLOADS - PACKET_HEADER_MIN_SIZE - 1; |
|
|
|
|
frag_len1 = asf->packet_size_left - |
|
|
|
|
PAYLOAD_HEADER_SIZE_MULTIPLE_PAYLOADS - |
|
|
|
|
PACKET_HEADER_MIN_SIZE - 1; |
|
|
|
|
|
|
|
|
|
if(frag_len1 < payload_len && avst->codec->codec_type == AVMEDIA_TYPE_AUDIO){ |
|
|
|
|
if (frag_len1 < payload_len && |
|
|
|
|
avst->codec->codec_type == AVMEDIA_TYPE_AUDIO) { |
|
|
|
|
flush_packet(s); |
|
|
|
|
continue; |
|
|
|
|
} |
|
|
|
@ -759,9 +732,10 @@ static void put_frame( |
|
|
|
|
if (payload_len > frag_len1) |
|
|
|
|
payload_len = frag_len1; |
|
|
|
|
else if (payload_len == (frag_len1 - 1)) |
|
|
|
|
payload_len = frag_len1 - 2; //additional byte need to put padding length
|
|
|
|
|
payload_len = frag_len1 - 2; // additional byte need to put padding length
|
|
|
|
|
|
|
|
|
|
put_payload_header(s, stream, timestamp+PREROLL_TIME, m_obj_size, m_obj_offset, payload_len, flags); |
|
|
|
|
put_payload_header(s, stream, timestamp + PREROLL_TIME, |
|
|
|
|
m_obj_size, m_obj_offset, payload_len, flags); |
|
|
|
|
avio_write(&asf->pb, buf, payload_len); |
|
|
|
|
|
|
|
|
|
if (asf->multi_payloads_present) |
|
|
|
@ -775,7 +749,7 @@ static void put_frame( |
|
|
|
|
payload_len = 0; |
|
|
|
|
} |
|
|
|
|
m_obj_offset += payload_len; |
|
|
|
|
buf += payload_len; |
|
|
|
|
buf += payload_len; |
|
|
|
|
|
|
|
|
|
if (!asf->multi_payloads_present) |
|
|
|
|
flush_packet(s); |
|
|
|
@ -821,21 +795,22 @@ static int asf_write_packet(AVFormatContext *s, AVPacket *pkt) |
|
|
|
|
uint32_t packet_number; |
|
|
|
|
int64_t pts; |
|
|
|
|
int start_sec; |
|
|
|
|
int flags= pkt->flags; |
|
|
|
|
int flags = pkt->flags; |
|
|
|
|
|
|
|
|
|
codec = s->streams[pkt->stream_index]->codec; |
|
|
|
|
codec = s->streams[pkt->stream_index]->codec; |
|
|
|
|
stream = &asf->streams[pkt->stream_index]; |
|
|
|
|
|
|
|
|
|
if(codec->codec_type == AVMEDIA_TYPE_AUDIO) |
|
|
|
|
if (codec->codec_type == AVMEDIA_TYPE_AUDIO) |
|
|
|
|
flags &= ~AV_PKT_FLAG_KEY; |
|
|
|
|
|
|
|
|
|
pts = (pkt->pts != AV_NOPTS_VALUE) ? pkt->pts : pkt->dts; |
|
|
|
|
assert(pts != AV_NOPTS_VALUE); |
|
|
|
|
pts *= 10000; |
|
|
|
|
asf->duration= FFMAX(asf->duration, pts + pkt->duration * 10000); |
|
|
|
|
asf->duration = FFMAX(asf->duration, pts + pkt->duration * 10000); |
|
|
|
|
|
|
|
|
|
packet_number = asf->nb_packets; |
|
|
|
|
put_frame(s, stream, s->streams[pkt->stream_index], pkt->dts, pkt->data, pkt->size, flags); |
|
|
|
|
put_frame(s, stream, s->streams[pkt->stream_index], |
|
|
|
|
pkt->dts, pkt->data, pkt->size, flags); |
|
|
|
|
|
|
|
|
|
start_sec = (int)((PREROLL_TIME * 10000 + pts + ASF_INDEXED_INTERVAL - 1) |
|
|
|
|
/ ASF_INDEXED_INTERVAL); |
|
|
|
@ -850,19 +825,19 @@ static int asf_write_packet(AVFormatContext *s, AVPacket *pkt) |
|
|
|
|
return 0; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
//
|
|
|
|
|
static int asf_write_index(AVFormatContext *s, ASFIndex *index, uint16_t max, uint32_t count) |
|
|
|
|
static int asf_write_index(AVFormatContext *s, ASFIndex *index, |
|
|
|
|
uint16_t max, uint32_t count) |
|
|
|
|
{ |
|
|
|
|
AVIOContext *pb = s->pb; |
|
|
|
|
int i; |
|
|
|
|
|
|
|
|
|
ff_put_guid(pb, &ff_asf_simple_index_header); |
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avio_wl64(pb, 24 + 16 + 8 + 4 + 4 + (4 + 2)*count); |
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avio_wl64(pb, 24 + 16 + 8 + 4 + 4 + (4 + 2) * count); |
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ff_put_guid(pb, &ff_asf_my_guid); |
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avio_wl64(pb, ASF_INDEXED_INTERVAL); |
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avio_wl32(pb, max); |
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avio_wl32(pb, count); |
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for(i=0; i<count; i++) { |
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for (i = 0; i < count; i++) { |
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avio_wl32(pb, index[i].packet_number); |
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avio_wl16(pb, index[i].packet_count); |
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} |
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@ -873,7 +848,7 @@ static int asf_write_index(AVFormatContext *s, ASFIndex *index, uint16_t max, ui |
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static int asf_write_trailer(AVFormatContext *s) |
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{ |
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ASFContext *asf = s->priv_data; |
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int64_t file_size,data_size; |
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int64_t file_size, data_size; |
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/* flush the current packet */ |
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if (asf->pb.buf_ptr > asf->pb.buffer) |
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@ -913,11 +888,11 @@ AVOutputFormat ff_asf_muxer = { |
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.write_packet = asf_write_packet, |
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.write_trailer = asf_write_trailer, |
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.flags = AVFMT_GLOBALHEADER, |
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.codec_tag = (const AVCodecTag* const []){ |
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.codec_tag = (const AVCodecTag * const []) { |
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codec_asf_bmp_tags, ff_codec_bmp_tags, ff_codec_wav_tags, 0 |
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}, |
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}; |
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#endif |
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#endif /* CONFIG_ASF_MUXER */ |
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#if CONFIG_ASF_STREAM_MUXER |
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AVOutputFormat ff_asf_stream_muxer = { |
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@ -932,8 +907,8 @@ AVOutputFormat ff_asf_stream_muxer = { |
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.write_packet = asf_write_packet, |
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.write_trailer = asf_write_trailer, |
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.flags = AVFMT_GLOBALHEADER, |
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.codec_tag = (const AVCodecTag* const []){ |
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.codec_tag = (const AVCodecTag * const []) { |
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codec_asf_bmp_tags, ff_codec_bmp_tags, ff_codec_wav_tags, 0 |
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}, |
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}; |
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#endif //CONFIG_ASF_STREAM_MUXER
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#endif /* CONFIG_ASF_STREAM_MUXER */ |
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